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한국 정신장애의 역학 조사 연구[I] : 각 정신장애의 유병률
조맹제,함봉진,김장규,박강규,정은기,서동우,김선욱,조성진,이준영,홍진표,최용성,박종익,이동우,이기철,배재남,신정호,정인원,박종한,배안,이충경 大韓神經精神醫學會 2004 신경정신의학 Vol.43 No.4
Objectives : This study aims to estimate the prevalence of the DSM-IV psychiatric disorders in Korean population using the Korean version of Composite International Diagnostic Interview (K-CIDI). Methods : Subjects were selected by taking multi-stage, cluster samples of 7,867 adult household residents, 18 to 64 years of age, in ten catchment areas. Total 78 trained interviewers administered the K-CIDI to the selected respondents, from June 1 to November30,2001. Results : Total 6,275 respondents completed the interview. Some 33.5% of respondents reported at least one lifetime disorder, 20.6% reported at least one-year disorder, and 16.7% reported at least one-month disorder. The most common lifetime disorders were alcohol abuse/dependence (17.24%), nicotine dependence/withdrawal (11.19%), specific phobia (5.16%), and major de-pressive disorder (4.25%). The lifetime prevalence of substance abuse/dependence (0.25%) and schizophrenia (0.16%) was very low. Nicotine and alcohol use disorder showed very high male/female ratio. Mood disorder and anxiety disorder were more prevalent among female than male. Conclusion : The prevalence of psychiatric disorders was high. In comparison with other studies, remarkable differences in distributions of psychiatric disorders across the areas and times were observed.
최인규,이진호,김철주 연세대학교 대학원 1976 延世論叢 Vol.13 No.2
The experimental study was carried out to investigate the characteristics of the flow fluctuation pheonomena, which occurred in the transition process from the impeded flow regime to the boundary layer flow regime in awl open thermosyphon by placing flow guides at the center of the orifice inlet where fluctuation occurred. The diameter and length of the guides were varied and their effects were investigated. With guides of long length, the fluctuation was not observed, and of medium length, the fluctuation was observed only in case of large diameter. However, when the length of the guides were short, the fluctuation took place just like in case of no guides. In this case, the existance of upward flow in the guide just before fluctuation occurred, resulted in reverse flow of the thermosyphon, however the Nusselt number showed same characteristics when the temperature of the orifice inlet was taken as the thermosyphon outlet temperature instead of as inlet temperature.
4세 유아에 발생한 몰입성 하마종(plunging ranula); 증례보고
최진호,양동환,김일규,오남식 대한악안면성형재건외과학회 2001 Maxillofacial Plastic Reconstructive Surgery Vol.23 No.4
Whereas oral ranula is relatively common and presents as a cyst in the mouth, the plunging ranula is rare and manifests itself as a mass in the neck with or without an associated oral lesion. When there is a soft anterior neck swelling without oral swelling, diagnosis is still difficult. In such a case, clinical suspicion may be low and the pathologist may be misled by the histologic appearance. Recognition of the diagnosis of plunging ranula is essential for the correct treatment of these lesions We report a case of a 4-year-old girl and review the literatures to discuss the differential diagnosis and treatment modalities.
최한규,백경원,최용묵,최진우 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.B
This research was conducted with the aim of efficiently managing large scale of rivers such like Songyang-river through predicting water quality change with analyzing the characteristics of the flowing in nutrients and pollutants. The main result will be used as basic data for effectively operating reservoirs through controling water quality and quantity. The relationship between quantity of flow and water quality was analyzed and pollution loading into the basin was estimated. Three areas of Soyang-river upstream and one area of Suip-cheon in Yanggu-gun were selected as research sites. Flow and water quality were measured simultaneously. The relation between quantity of discharge and pollution concentration and between quantity of discharge and pollution loading were analyzed by statistical method, respectively. We provided a rating curve through measuring quantity of discharge(collection quantity of discharge)and pollutograph and pollution loading curve through water quality data. Also, we analyzed the correlation between quantity of discharge per unit area and pollution loading per unit area in each basin. As resurt of this research, Buk-cheon spot revealed an excellent first grade water quality for the items including BOD5, DO, and SS. The correlation coefficient between Buk-cheon spot's quantity of discharge and pollution loading was 0.896~0.996, showing the validity of analysis applying correlation curve formula of quantity of discharge and pollution loading in the same spot. Also, pollution loading per unit area of the items including BOD5, COD, DO, SS, T-N, T-P increased as area of basins get increased following the sequence of Buk-cheon, Suip-cheon, Naelin-cheon spots.
崔京求,金鎭淇,黃種奎 全北大學校 1978 論文集 Vol.20 No.-
This study was carried out to investigate the effect of some growth regulators i.e., gibberellic acid (GA), benzyladenine (BA) and abscisic acid (ABA) on the dormancy breaking of new buds in 2 year-old Ginseng plants. Materials were sampled in the middle of October and their dormancy was checked under the favorable conditions for germination of bud for a month. They were treated for 24 hours with the following growth regulators; (1) GA, BA and ABA at the concentrations of 50 and 100 ppm, and (2) the combination of GA and BA, GA and ABA, and BA and ABA at the concentrations of 50 ppm, respectively. It was found that the application of GA was effective in dormancy breaking of new buds and seemed to elongate stem, flower stalk and petiole but degenerated the majority of flower stalk in the early stage and also accelerated the formation of the adventitious root. By the application of GA, poor development of color was observed in leaf and stem in the early stage. The leaf began to regain green color with leaf maturation but the stem did not gain purple color. The applications of BA and ABA combined with GA showed almost the same effect in dormacy breaking as GA application. In these cases color development of stem and leaf was good cmpared with that of GA application. Even with some side-effects such as elongation and poor color development of stem and leaf, GA might be applied for dormancy breaking of new buds substituting for the low temperature in winter.
최진규,이헌길 강원대학교 정보통신연구소 2002 정보통신논문지 Vol.6 No.-
The WAP is a set of protocols that optimizes standard TCP/IP protocols, for use under the low bandwidth, high latency conditions often found in wireless networks. In WAP, WTLS(Wireless Transport Layer Security) is a subprotocol that it has been suggested for security communications. This protocol is a modified version of the TLS(Transport Layer Security) appropriate for wireless networks. In the data exchange between WTLS and TLS protocol, the message transmitted between the handset and the server is unencrypted for a very brief moment inside the WAP gateway. Even though the interval time the message remains unencrypted is very short, he or she who has an administrator account can attempt to view the unencrypted message. Therefore, in this paper, we propose the safe end-to-end security model, which is called AWTLS(Alternative Wireless Transport Layer Security). The proposed AWTLS can not only prevent the gateway from viewing the uncrypted message, but also reduce the encryption/decryption overhead of the mobile terminal.
프레탈^(R)정(실로스타졸 50mg)에 대한 실로졸^(R)정의 생물학적 동등성
최한곤,권기철,이승호,김학미,박병주,유봉규,이종달,이경희,하정희,우종수,박인숙,최진석,용철순 한국병원약사회 2003 병원약사회지 Vol.20 No.1
Bioequivalence of two cilostazol tablets, the Pletaal^(R)(Korea Otsuka Pharmaceutical Co., Ltd.) and the Cilozol^(R)(Hanmi Pharmaceutical Co., Ltd.), was evaluated according to the guideline of KFDA, Sixteen normal male volunteers(age 20~29 years old) were divided into two groups and a randomized 22 cross-over study was employed. After two tablets containing 50㎎ of cilostazol were orally administered. blood was taken at predetermined time intervals and the concentration of cilostazol in plasma was determined with an HPLC method using UV detector. The pharmacokinetic parameters(C_(max), T_(max) and AUC_(t)) were calculated and ANOVA was utilized for the statistical analysis of parameters. The results showed that the differences in C_(max), T_(max) and AUC_(t) between two tablets were 4.99%, 1.74% and 7.68%, respectively. The powers(1-β) for C_(max), T_(max) and AUC_(t) were83.92%, 80.12% and 85.03%, respectively. Detectable differences(Δ) and confidence intervals were all less than 20%, and confidence interval of all the parameters were also less than 20% at the significance level(α) of 0.05. All of these parameters met the criteria of KFDA for bioequivalence, indicating that Cilozol^(R) tablet is bioequivalent to Pletaal^(R) tablet.
崔仁圭,李振鎬 연세대학교 대학원 1975 延世論叢 Vol.12 No.2
The circulatory flow in a thermosyhon loop with a point heater in the upriser and a point cooler in the downcomer (Fig. 6) was studied. The two important variables relating to the stability of the flow were found s and ζ, the former as a determining factor of the total boyancy force and the latter as a parameter of determining the extent of the oscillation. The effect of φ and e are not so dominant as expected, however they are closely related to the critical line dividing the stable and unstable area in a φ-ε diagram.